scope:

:pecifies essential requirements, ranges of approval, test conditions, acceptance requirements and certification for the approval testing of welder performance for the welding of copper. During the approval test the welder should be required to show adequate practical experience and job knowledge (test non mandatory) of the welding processes, materials and safety requirments for which he is to be approved; information on these aspects is given in Annex A. This standard is applicable when the welder's approval testing is required by the purchaser, by inspection authorities or by other organizations. This standard applies to the approval testing of welders for the fusion welding of copper.